The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2012
Filed:
Sep. 12, 2003
Parminder Singh, San Francisco, CA (US);
Adrian Faasse, Carmel Valley, CA (US);
Gary W. Cleary, Los Altos Hills, CA (US);
Sri Mudumba, Union City, CA (US);
Mikhail M. Feldstein, Moscow, RU;
Danir R. Bairamov, Moscow, RU;
Parminder Singh, San Francisco, CA (US);
Adrian Faasse, Carmel Valley, CA (US);
Gary W. Cleary, Los Altos Hills, CA (US);
Sri Mudumba, Union City, CA (US);
Mikhail M. Feldstein, Moscow, RU;
Danir R. Bairamov, Moscow, RU;
Corium International, Inc., Menlo Park, CA (US);
A.V. Topchiev Institute of Petrochemical Synthesis, Moscow, RU;
Abstract
A composition is provided, wherein the composition comprises a water-swellable, water-insoluble polymer, a blend of a hydrophilic polymer with a complementary oligomer capable of hydrogen or electrostatic bonding to the hydrophilic polymer. The composition also includes a backing member. Active ingredients, such as a whitening agent, may be included. The composition finds utility as an oral dressing, for example, a tooth whitening composition that is applied to the teeth in need of whitening. The composition can be designed to be removed when the degree of whitening has been achieved or left in place and allowed to erode entirely. In certain embodiments, the composition is translucent. Methods for preparing and using the compositions are also disclosed.